Photo 1 of Rythalix 11 Inches-16.5 Inches Office Chair Cylinder Replacement - 5.5'' Stroke, Heavy Duty 1000lbs Class 4 Hydraulic Lift, Universal Pneumatic Piston Fit for Sinking Desk/Gaming Chairs

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Photo 1 of Rythalix 11 Inches-16.5 Inches Office Chair Cylinder Replacement - 5.5'' Stroke, Heavy Duty 1000lbs Class 4 Hydraulic Lift, Universal Pneumatic Piston Fit for Sinking Desk/Gaming ChairsPhoto 2 of Rythalix 11 Inches-16.5 Inches Office Chair Cylinder Replacement - 5.5'' Stroke, Heavy Duty 1000lbs Class 4 Hydraulic Lift, Universal Pneumatic Piston Fit for Sinking Desk/Gaming Chairs